Home / 656,922.72-985,384.92-158,286.72

Finding the Fourth Proportional to 656,922.72, 985,384.92 and 158,286.72

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Solution

The fourth proportional to 656,922.72, 985,384.92 and 158,286.72 is: 237,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,922.72 : 985,384.92 = 158,286.72 : x
  2. Step 2: Convert to fraction form
    656,922.72/985,384.92 = 158,286.72/x
  3. Step 3: Cross multiply
    656,922.72x = 985,384.92 × 158,286.72
  4. Step 4: Simplify right side
    656,922.72x = 155,973,346,924.26
  5. Step 5: Solve for x
    x = 155,973,346,924.26/656,922.72
  6. Step 6: Final answer
    x = 237,430.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.